Hi all, While using G.729 all my terminals including openphone work well through a NAT to GNUGK and Cisco 5300. However, when I enabled G.711 instead, I hear nothing from Cisco 5300. IF the NAT was removed, everything work fine. Any advice to this problem? Many thanks. Vincent ------------------------------------------------------- The SF.Net email is sponsored by: Beat the post-holiday blues Get a FREE limited edition SourceForge.net t-shirt from ThinkGeek. It's fun and FREE -- well, almost....http://www.thinkgeek.com/sfshirt _______________________________________________________ List: Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_id=8549 Homepage: http://www.gnugk.org/